Suboperand
[计] 子操作数
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
As relationships between the People's Republic of China and the United States strengthen more and more today.
随着当今中美两国关系的不断加强。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？